JF

John Fjeldsted

AT Agilent Technologies: 7 patents #277 of 3,411Top 9%
HP HP: 2 patents #2,312 of 7,018Top 35%
BU Brigham Young University: 1 patents #220 of 611Top 40%
BG Bruker Daltonik Gmbh: 1 patents #50 of 124Top 45%
🗺 California: #55,401 of 386,348 inventorsTop 15%
Overall (All Time): #462,692 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9482642 Fast method for measuring collision cross section of ions utilizing ion mobility spectrometry Alexander Mordehai, Ruwan T. Kurulugama, Christian Klein 2016-11-01
7908093 Mass spectrometer and method for enhancing resolution of mass spectra August Hidalgo, William Frazer 2011-03-15
7863556 Enhanced resolution mass spectrometer and mass spectrometry method August Hidalgo, William Frazer 2011-01-04
7684932 Systems and methods for dynamically adjusting sampling rates of mass spectrometers August Hidalgo, William Frazer 2010-03-23
7423259 Mass spectrometer and method for enhancing dynamic range August Hidalgo, William Frazer, Carl A. Myerholtz 2008-09-09
7412334 Mass spectrometer and method for enhancing resolution of mass spectra August Hidalgo, William Frazer 2008-08-12
7385185 Molecular activation for tandem mass spectroscopy Jerry T. Dowell 2008-06-10
5903003 Methods of comparative analysis using ion trap mass spectrometers Michael Schubert, Jochen Franzen 1999-05-11
4885500 Quartz quadrupole for mass filter Stuart C. Hansen, Carolyn C. Broadbent 1989-12-05
4804839 Heating system for GC/MS instruments Carolyn C. Broadbent 1989-02-14
4479380 Open-tubular supercritical fluid chromatography Milos V. Novotny, Milton L. Lee, Paul A. Peaden, Stephen R. Springston 1984-10-30